CN104754434A - Voice frequency transmission device - Google Patents
Voice frequency transmission device Download PDFInfo
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- CN104754434A CN104754434A CN201310751209.7A CN201310751209A CN104754434A CN 104754434 A CN104754434 A CN 104754434A CN 201310751209 A CN201310751209 A CN 201310751209A CN 104754434 A CN104754434 A CN 104754434A
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Abstract
The invention discloses a voice frequency transmission device. The voice frequency transmission device comprises a shell, a headset circuit board and a detachable function board are arranged in the shell, wherein the headset circuit board has a headset circuit, and the function board has a first function circuit capable of independently finishing preset functions. According to the voice frequency transmission device, the function board can be mounted in the shell with headset function, the selection between various functions or the combination of various functions is realized, and the integration level of equipment is improved.
Description
Technical field
The present invention relates to audio devices technical field, particularly relate to a kind of audio transmission device.
Background technology
At present, market is widely current various Portable mobile electronic device, such as music player, walkman, mobile phone, panel computer etc.On various mobile or fixed electronic equipment, USB interface and audio jack have become the standard configuration of electronic equipment.It is very general that peripheral electronic device with USB interface is applied, such as flash disk etc., and the most widely used based on the ancillary equipment of audio interface be headset (earphone namely with microphone).The use amount of the peripheral electronic device with USB interface and the ancillary equipment based on audio interface is huge, but, up to now, peripheral electronic device with USB interface and the ancillary equipment based on audio interface are all self-existent, so user needs to carry these two kinds of equipment at one's side simultaneously.And, an audio interface (i.e. audio jack) is only had in existing headset, interface is single, integrated level is low, cannot with the interface compatibility of various electronic, therefore have to carry in addition the order wire of standard interface, not only increase the peripheral hardware cost of electronic equipment, and in use bring inconvenience to user.
Summary of the invention
The object of the invention is to, a kind of audio transmission device is provided, headset and at least one functional device are combined, realizes the selection between several functions or Combination application, improve the integrated level of equipment.
For solving the problems of the technologies described above, the invention provides a kind of audio transmission device, described audio transmission device comprises a housing, there is in described housing a headset circuit plate and a feature board detachably installed, wherein, described headset circuit plate has a headset circuit, and described feature board has one can the first functional circuit of complete independently preset function.
Further, described headset circuit is electrically connected with described first functional circuit selectivity.
Further, described headset circuit plate is provided with a headset interconnecting electrode group, described headset interconnecting electrode group and described headset circuit are electrically connected, described feature board is provided with a feature board interconnecting electrode group, described feature board interconnecting electrode group and described first functional circuit are electrically connected, when described feature board is installed in described housing, described headset interconnecting electrode group and feature board interconnecting electrode group are electrically connected, and described headset circuit is electrically connected with described first functional circuit.
Further, described headset circuit comprises Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground wire, described headset interconnecting electrode group comprises the first headset interconnecting electrode, the second headset interconnecting electrode, third ear wheat interconnecting electrode, the 4th headset interconnecting electrode, the 5th headset interconnecting electrode, the 6th headset interconnecting electrode, connects described Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground connecting line respectively successively.
Further, described feature board interconnecting electrode group comprises the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, described feature board is installed in described housing, described first interconnecting electrode correspondence connects described first headset interconnecting electrode, described second interconnecting electrode correspondence connects described second headset interconnecting electrode and third ear wheat interconnecting electrode, described 3rd interconnecting electrode correspondence connects described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, and described 4th interconnecting electrode correspondence connects the 6th headset interconnecting electrode.
Further, described feature board interconnecting electrode group comprises the first interconnecting electrode, second interconnecting electrode, 3rd interconnecting electrode, 4th interconnecting electrode, 5th interconnecting electrode, 6th interconnecting electrode, described feature board is installed in described housing, described first interconnecting electrode, second interconnecting electrode, 3rd interconnecting electrode, 4th interconnecting electrode, 5th interconnecting electrode, 6th interconnecting electrode connects described first headset interconnecting electrode respectively, second headset interconnecting electrode, third ear wheat interconnecting electrode, 4th headset interconnecting electrode, 5th headset interconnecting electrode, 6th headset interconnecting electrode.
Further, on described headset circuit plate, connected by the first push switch between described second headset interconnecting electrode and third ear wheat interconnecting electrode, when described first push switch is pressed, electric insulation between described second headset interconnecting electrode and third ear wheat interconnecting electrode, when described first push switch is upspring, between described second headset interconnecting electrode and third ear wheat interconnecting electrode, electricity is connected; Connected by the second push switch between described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, when described second push switch is pressed, electric insulation between described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, when described second push switch is upspring, between described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, electricity is connected.
Further, described feature board has the first corresponding with described first push switch and the second push switch respectively recess and the second recess, when described feature board is installed in described housing, described first push switch and the second push switch are positioned at described first recess and the second recess, and described first push switch and the second push switch are all in the state of upspringing.
Further, described first functional circuit has the first external interface electrode.
Further, described feature board also have one can the second functional circuit of complete independently preset function.
Further, described first functional circuit is connected with the second functional circuit selectivity.
Further, described second functional circuit has the second external interface electrode.
Further, described feature board has the sound inlet of a transmission sound wave.
Further, described feature board is T-shaped or rectangle, and described headset circuit plate is T-shaped or rectangle.
Further, described headset circuit plate connects audio jack line, left earplug line and right earplug line, the line outlet of the described audio jack line of the extraction that described feature board has, left earplug line and right earplug line.
Further, described audio transmission device also has one and described feature board is sealed in enclosing cover in described housing.
Compared with prior art, audio transmission device provided by the invention has the following advantages:
In audio transmission device provided by the invention, described audio transmission device comprises a housing, there is in described housing a headset circuit plate and a feature board detachably installed, wherein, described headset circuit plate has one can the headset circuit of complete independently earphone function, described feature board has one can the first functional circuit of complete independently preset function, compared with prior art, described feature board can be installed to be had in the housing of earphone function, realize the selective gist between several functions, improve the integrated level of equipment.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of one embodiment of the invention sound intermediate frequency transmitting device;
Fig. 2 is the schematic diagram of headset circuit in one embodiment of the invention sound intermediate frequency transmitting device;
Fig. 3 is the schematic appearance of one embodiment of the invention sound intermediate frequency transmitting device;
Fig. 4 is the schematic diagram of feature board in one embodiment of the invention;
Fig. 5 is that in one embodiment of the invention, feature board is installed to the schematic diagram in housing;
Fig. 6 is the schematic diagram of feature board in the present invention two embodiment;
Fig. 7 is that in the present invention two embodiment, feature board is installed to the schematic diagram in housing;
Fig. 8 is the schematic diagram of headset circuit in the present invention three embodiment sound intermediate frequency transmitting device;
Fig. 9 is the schematic diagram of feature board in the present invention three embodiment.
Embodiment
Below in conjunction with schematic diagram, audio transmission device of the present invention is described in more detail, which show the preferred embodiments of the present invention, should be appreciated that those skilled in the art can revise the present invention described here, and still realize advantageous effects of the present invention.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as limitation of the present invention.
In order to clear, whole features of practical embodiments are not described.They in the following description, are not described in detail known function and structure, because can make the present invention chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, a large amount of implementation detail must be made to realize the specific objective of developer, such as, according to regarding system or the restriction about business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work to those skilled in the art.
In the following passage, more specifically the present invention is described by way of example with reference to accompanying drawing.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Core concept of the present invention is, a kind of audio transmission device is provided, described audio transmission device comprises a housing, there is in described housing a headset circuit plate and a feature board detachably installed, wherein, described headset circuit plate has one can the headset circuit of complete independently earphone function, described feature board has one can the first functional circuit of complete independently preset function, described feature board can be installed to be had in the housing of earphone function, realize the selection between several functions or Combination application, improve the integrated level of equipment.
Below enumerate several embodiments of described audio transmission device, to clearly demonstrate content of the present invention, it will be clear that content of the present invention is not restricted to following examples, other improvement by the routine techniques means of those of ordinary skill in the art are also within thought range of the present invention.
First embodiment
Refer to Fig. 1-Fig. 5 and illustrate the first embodiment of the present invention, wherein, Fig. 1 is the decomposing schematic representation of one embodiment of the invention sound intermediate frequency transmitting device; Fig. 2 is the schematic diagram of headset circuit in one embodiment of the invention sound intermediate frequency transmitting device; Fig. 3 is the schematic appearance of one embodiment of the invention sound intermediate frequency transmitting device; Fig. 4 is the schematic diagram of feature board in one embodiment of the invention; Fig. 5 is that in one embodiment of the invention, feature board is installed to the schematic diagram in housing.In the present embodiment, 1) feature board 120 part: described feature board 120 has the first functional circuit and the second functional circuit, the partial function of the first functional circuit is only when described feature board 120 is pacified in described housing 100, starts work by means of described headset circuit plate 110; The partial function of the second functional circuit can work independently (when described feature board 120 is pacified in described housing 100 or when taking out from described housing 100); 2) headset circuit plate 110 part: when described feature board 120 takes out from described housing 100, the earplug funtion part of described headset circuit does not work, and MIC can work; When described feature board 120 is pacified in described housing 100, the repertoire of described headset circuit can be used.
As shown in Figure 1, described audio transmission device comprises a housing 100, has headset circuit plate 110 and the feature board 120 detachably installed in described housing 100.Described headset circuit plate 110 can be fixed on the bottom surface of described housing 100, and the end face of described housing 100 is empty, is convenient to the embedding of described feature board 120 like this.But the mounting means of described feature board 120 in described housing 100 does not do concrete restriction.
Wherein, described headset circuit plate 110 has the required element that can complete earphone function, comprising a headset circuit, as shown in Figure 2.Described headset circuit generally comprises microphone (Microphone) chip 111, line traffic control (LineCtrl) chip 112 and the element needed for other, and described headset circuit is the common practise of this area, and therefore not to repeat here.Described microphone chip 111, line traffic control chip 112 and the element needed for other can weld or integral type is encapsulated on described headset circuit plate 110.In the present embodiment, described audio jack 240 is Four wire plug, so, described headset circuit generally also comprises the necessary circuit such as Mike's holding wire MIC, left channel signals line HPL, right-channel signals line HPR, left earplug line HPLS, right earplug line HPRS, headset ground wire GND, when left channel signals line HPL and left earplug line HPLS short circuit, and when right-channel signals line HPR and right earplug line HPRS short circuit, can complete independently earphone function.Wherein, as shown in Figure 3, described Mike's holding wire MIC, left channel signals line HPL, right-channel signals line HPR are for connecting audio jack 240, and described left earplug line HPLS, right earplug line HPRS are for connecting L channel earplug and R channel earplug.Described Mike's holding wire MIC accesses described microphone chip 111 simultaneously, line traffic control chip 112, be uploaded to the audio coding decoding chip of the hand-hold electronic equipments of far-end from described Mike's holding wire MIC after sound is converted to the signal of telecommunication by described microphone chip 111, line traffic control chip 112 is then by three button BT+, the action code conversion of BTc and BT-(being equivalent to three electrical ground switches) is to digital signal, with certain single-wire-protocol (such as in different frequency ranges), be uploaded to the corresponding receiver of the hand-hold electronic equipments of far-end from described Mike's holding wire MIC.
Described headset circuit plate 110 is connected to described audio jack 240 by audio jack line 230, is connected to left earplug by left earplug line 210, is connected to right earplug, as shown in Figure 3 by right earplug line 220.In the present embodiment, described audio jack line 230 and right earplug line 220 are drawn from the below of described headset circuit plate 110, and described left earplug line 210 is drawn from the top of described headset circuit plate 110, but concrete restriction is not done in lead-out mode and position.
Described feature board 120 has one can the first functional circuit of complete independently preset function, and wherein, described first functional circuit can be read-write cell module, audio coder module or wireless transmit/receive units module etc., specifically arranges as required, does not limit at this.Such as, in the present embodiment, described first functional circuit is read-write cell module (as flash memory), and as shown in Figure 4, it is A type USB electrode, USB control module USB Ctrl and the first functional module FuncMod1m that described first functional circuit has the first external interface electrode 124.In the present embodiment, when described feature board 120 is pacified in plate shell, described audio transmission device module can use as common headset, and described feature board 120 can use as a flash memory.Now, flash memory is incorporated in common headset, improves the integrated level of electronic equipment, avoid carrying various electronic.
In the present embodiment, described headset circuit plate 110 is provided with a headset interconnecting electrode group 113, as shown in Figure 2, described headset interconnecting electrode group 113 is electrically connected with described headset circuit.Wherein, described headset interconnecting electrode group 113 comprises the first headset interconnecting electrode 113a, the second headset interconnecting electrode 113b, third ear wheat interconnecting electrode 113c, the 4th headset interconnecting electrode 113d, the 5th headset interconnecting electrode 113e, the 6th headset interconnecting electrode 113f, connect described Mike's holding wire MIC, left earplug line HPLS, left channel signals line HPL, right-channel signals line HPR, right earplug line HPRS, headset ground connecting line GND respectively successively, to realize the combination of several functions.But, in other embodiments of the invention, more interconnect electrode (not shown) can also be had to be connected with described first functional circuit, to realize the control of described headset circuit to described first functional circuit.Wherein, in the present embodiment, concrete restriction is not done in the position of described headset interconnecting electrode group 113, can arrange as required.
Preferably, described feature board 120 is provided with a feature board interconnecting electrode group 121, when described feature board 120 is installed in described housing 100, described headset interconnecting electrode group 113 is electrically connected with feature board interconnecting electrode group 121, to realize the normal work of described headset circuit.Certainly, except above-mentioned functions plate interconnecting electrode group 121, described feature board 120 can also on be provided with the control electrode be electrically connected with described first functional circuit, by with described headset circuit plate 110 on the connection of volume respective electrode is set, thus realize the control of described headset circuit to described first functional circuit electricity, to realize the combination of several functions, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.Wherein, in the present embodiment, described feature board interconnecting electrode group 121 comprises the first interconnecting electrode 121a, the second interconnecting electrode 121b, the 3rd interconnecting electrode 121c, the 4th interconnecting electrode 121d.Equally, concrete restriction is not done in the position of described control electrode, can arrange as required.
In the present embodiment, specifically with described first functional circuit for usb circuit.Wherein, described first functional circuit has one first external interface electrode 124, and described first external interface electrode 124 is USB electrode, and described usb circuit is the common practise of this area, does not repeat them here.In the present embodiment, described first functional circuit also has one second external interface electrode 126, described second external interface electrode 126 can be USB electrode, such as, in the present embodiment, described second functional circuit is usb circuit, as shown in Figure 4, the power line mVDD of the first external interface electrode 124, data wire mD-, data wire mD+, ground wire GND successively with the power line VDD of described second external interface electrode 126, data wire D-, data wire D+, ground wire GND is connected, its connected mode can be directly connected or be connected by devices such as mechanical switchs, described first functional circuit is made to have two kinds of different interface electrodes, thus the conversion realized between two kinds of USB interface.In the present embodiment, the first external interface electrode 124 and the second external interface electrode 126 are USB interface electrode, so, connect between the first external interface electrode 124 and the second external interface electrode 126.
Preferably, described feature board 120 also has one can the second functional circuit of complete independently preset function, wherein, described second functional circuit can be RFID module, non-contact intelligent card module, NFC module or any module connecting without the need to wireline interface (such as USB interface) and control, specifically arrange as required, do not limit at this.In the present embodiment, described second functional circuit can also have one second functional module Func Mod0m, described second functional module Func Mod0m can work independently, when described feature board 120 is pacified in described housing 100 or when taking out from described housing 100, all can normally work, for a person skilled in the art, the concrete structure of described second functional module Func Mod0m is understandable, and therefore not to repeat here.
When described feature board 120 is not installed in described housing 100, left earplug line HPLS and left channel signals line HPL disconnects, and meanwhile, right earplug line HPRS and right-channel signals line HPR disconnects, and the earplug function of described headset circuit plate 110 prohibits the use.But the microphone of headset circuit can normally use.
When described feature board 120 is installed in described housing 100, as shown in Figure 5, described first interconnecting electrode 121a correspondence connects described first headset interconnecting electrode 113a, described second interconnecting electrode 121b correspondence connects described second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c, described 3rd interconnecting electrode 121c correspondence connects described 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, described 4th interconnecting electrode 121d correspondence connects the 6th headset interconnecting electrode 113f, now, by left earplug line HPLS and left channel signals line HPL short circuit, simultaneously, by right earplug line HPRS and right-channel signals line HPR short circuit.
Now, the earplug function of described headset circuit plate 110 can use, and can realize complete earphone function in conjunction with microphone, and described feature board 120 independently can realize described first external interface electrode 124 and the direct-connected conversion of the second external interface electrode 126.Such as, when described first external interface electrode 124 is A type USB interface, when described second external interface electrode 126 is Type B micro USB interface, the conversion of A type USB interface and Type B micro USB interface is realized;
Further, can also be controlled the described first functional module Func Mod1m on described feature board 120 by USB control module USB Ctrl, realize different functions.In addition, described second functional module Func Mod0m also can be the circuit module that independently need not use with other circuit any or Electrode connection, and to realize independent function, its concrete function does not limit.Certainly, other control module can also be set on described feature board 120, the electronic equipment realizing far-end by tone frequency channel wire to functions such as the controls of feature board, also within thought range of the present invention.
Preferably, in the present embodiment, described headset interconnecting electrode group 113 and feature board interconnecting electrode 121 groups are weldering disc electrode, but in other embodiments of the invention, described headset interconnecting electrode group 113 is weldering disc electrode, described feature board interconnecting electrode group 121 is wire electrode, or described headset interconnecting electrode group 113 is jack type electrode, described feature board interconnecting electrode group 121 is contact pin type electrode, or described headset interconnecting electrode group 113 is contact pin type electrode, described feature board interconnecting electrode group 121 is jack type electrode etc.
In the present embodiment, described feature board 120 is the functional block of the monolithic ultrathin design of band USB interface, can be the design (combination can according to design difference become) of single or double with single or multiple USB interface.The shape of described feature board 120 can be T-shaped or rectangle, as shown in Figure 4, but the shape of described feature board 120 is not limited to as T-shaped or rectangle, described feature board 120 can also be other shape, as long as ensure that the shape at two ends meets the requirement of corresponding interface standard, such as described feature board 120 can be cambered surface, inclined-plane etc., also within thought range of the present invention.One end of described feature board 120 is A type USB interface electrode, and the other end is Type B micro USB interface electrode, and the shape of described feature board 120 is T-shaped, but specifically can arrange more selection as required.Certainly, described first external interface electrode 124 and described second external interface electrode 126 are not limited to as USB interface, can also be the special 8 line data-interfaces of apple, or intelligent card interface etc., also within thought range of the present invention.
Preferably, described feature board 120 has the sound inlet 127 of a transmission sound wave, and when described feature board 120 is installed in described housing 100, described feature board 120 can by transmission sound to described microphone chip 111.Wherein, described sound inlet 127 can just to or not just to the sound inlet of described microphone chip 111.
In addition, the line outlet 128 of the described audio jack line 230 of the extraction that described feature board 120 has, left earplug line 210 and right earplug line 220, described line outlet 128 can have four grooves for the side of narrow section being positioned at described feature board 120, but concrete distribution mode and quantity do not limit.In the present embodiment, described audio transmission device also has one and described feature board 120 is sealed in enclosing cover in described housing 100, and the shape of described enclosing cover does not do concrete restriction.In addition, described feature board 120 can also be arranged on the inner side of described enclosing cover, and when being installed on described housing 100 by described enclosing cover, described feature board 120 can be sealed in described housing 100.
In addition, the mode that described headset interconnecting electrode group 113 and feature board interconnecting electrode group 121 are electrically connected is not limited to aforesaid way, when described first functional circuit be MP3 (band recording) or bluetooth earphone chip time, described Mike's holding wire MIC, left earplug line HPLS, right earplug line HPRS then need to be connected to described first functional circuit; Specifically arranging as required, for a person skilled in the art, is understandable.
In addition, described first functional circuit is not limited to have a first functional module Func Mod1m, can also comprise multiple functional module simultaneously, and can control multiple functional module simultaneously or timesharing use, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
Second embodiment
Refer to Fig. 6-Fig. 7, Fig. 6 is the schematic diagram of feature board in the present invention two embodiment; Fig. 7 is that in the present invention two embodiment, feature board is installed to the schematic diagram in housing.In Fig. 6-Fig. 7, reference number represents the parts that the statement identical with Fig. 1-Fig. 5 is identical with the first execution mode.The audio transmission device of described second embodiment is substantially identical with the audio transmission device of described first embodiment, its difference is: 1) feature board 320 part: described feature board 320 has the first functional circuit and the second functional circuit, the partial function of the first functional circuit is only when described feature board 320 is pacified in described housing 100, starts work by means of described headset circuit plate 110; The partial function of the second functional circuit can work independently (when described feature board 320 is pacified in described housing 100 or when taking out from described housing 100); 2) headset circuit plate 110 part: when described feature board 320 is pacified in described housing 100 or when taking out from described housing 100, the earplug function of described headset circuit does not work, and MIC can work.
In the described feature board 320 of the present embodiment, described feature board interconnecting electrode group 321 comprises the first interconnecting electrode 321a, the second interconnecting electrode 321b, the 3rd interconnecting electrode 321c, the 4th interconnecting electrode 321d, the 5th interconnecting electrode 321e, the 6th interconnecting electrode 321f, as shown in Figure 6.In addition, described second external interface electrode 326 is 8 line interfaces, because the first external interface electrode 124 is different with the kind of the second external interface electrode 326, so, the conversion that described feature board 320 can realize between 8 line interfaces and USB interface by internal control module Interface Ctrl, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
Described feature board 320 is installed in described housing, as shown in Figure 7, described first interconnecting electrode 321a, the second interconnecting electrode 321b, the 3rd interconnecting electrode 321c, the 4th interconnecting electrode 321d, the 5th interconnecting electrode 321e, the 6th interconnecting electrode 321f connect described first headset interconnecting electrode 113a, the second headset interconnecting electrode 113b, third ear wheat interconnecting electrode 113c, the 4th headset interconnecting electrode 113d, the 5th headset interconnecting electrode 113e, the 6th headset interconnecting electrode 113f respectively.Now, the conversion of three mouthfuls of unifications of audio frequency four-wire interface, described first external interface electrode 124 (A type USB interface) and the second external interface electrode 326 (8 line interface) is so just achieved.Now, left earplug line HPLS and left channel signals line HPL disconnects, and meanwhile, right earplug line HPRS and right-channel signals line HPR disconnects, and the left and right earplug of described headset circuit plate 110 belongs to disabled status.
3rd embodiment
Refer to Fig. 8-Fig. 9, Fig. 8 is the schematic diagram of headset circuit in the present invention three embodiment sound intermediate frequency transmitting device; Fig. 9 is the schematic diagram of feature board in the present invention three embodiment.In Fig. 8-Fig. 9, reference number represents the parts that the statement identical with Fig. 1-Fig. 5 is identical with the first execution mode.The audio transmission device of described 3rd embodiment is substantially identical with the audio transmission device of described first embodiment, its difference is: 1) feature board 420 part: described feature board 420 has the first functional circuit and the second functional circuit, the partial function of the first functional circuit is only when described feature board 420 is pacified in described housing 100, starts work by means of described headset circuit plate 110; The partial function of the second functional circuit can work independently (when described feature board 420 is pacified in described housing 100 or when taking out from described housing 100); 2) headset circuit plate 110 part: when described feature board 420 is pacified in described housing 100 or when taking out from described housing 100, earplug and the MIC function of described headset circuit all can work.
As shown in Figure 8, on described headset circuit plate 410, connected by the first push switch 411 between described second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c, when described first push switch 411 is pressed, electric insulation between described second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c, described first push switch 411 upspring (not being pressed) time, between described second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c electricity be connected; Connected by the second push switch 412 between described 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, when described second push switch 412 is pressed, electric insulation between described 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, when described second push switch 412 is upspring, between described 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, electricity is connected.
In the present embodiment, described housing 100 is rectangle, as shown in Figure 8, corresponding, described feature board 420 is rectangle, and as shown in Figure 9, described first external interface electrode 424 is Type B USB interface, described second external interface electrode 426 is 8 line interfaces, and described feature board 420 also can have internal control module Interface Ctrl to realize the conversion between 8 line interfaces and USB interface.Described feature board 420 has the first corresponding with described first push switch 411 and the second push switch 412 respectively recess 421 and the second recess 422, when described feature board 420 is installed in described housing 100, described first push switch 411 and the second push switch 412 are positioned at described first recess 421 and the second recess 422, and described first push switch 411 and the second push switch 412 are all in connected state of upspringing, to realize the mode of mechanical switch control to control the connection between left earplug line HPLS (right earplug line HPRS) and left channel signals line HPL (right-channel signals line HPR).Now, the earplug function of described headset circuit plate 410 can use.
The present invention is not limited to above-described embodiment, such as, first embodiment and the second embodiment can be combined, do a two-sided described feature board, make when the one side of described feature board is installed towards described headset circuit plate, left earplug line HPLS and left channel signals line HPL disconnects, simultaneously, right earplug line HPRS and right-channel signals line HPR disconnects, when the another side of described feature board is installed towards described headset circuit plate, left earplug line HPLS is connected with left channel signals line HPL, simultaneously, right earplug line HPRS is connected with right-channel signals line HPR, thus realize the selective gist of several functions, in addition, the mode that mechanical switch controls can also be used on the described feature board of T-shaped, also within thought range of the present invention, certainly, described headset circuit plate can also be a headset circuit plate that can complete separately earphone function, described feature board and described headset circuit plate do not need with the use of, namely can separately complete respective function, also within thought range of the present invention.
In sum, the present invention has the following advantages in audio transmission device provided by the invention compared with prior art:
In audio transmission device provided by the invention, described audio transmission device comprises a housing, there is in described housing a headset circuit plate and a feature board detachably installed, wherein, described headset circuit plate has a headset circuit, and described feature board has one can the first functional circuit of complete independently preset function, compared with prior art, described feature board can be installed to be had in the housing of earphone function, realizes the selective gist between several functions, improves the integrated level of equipment.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (18)
1. an audio transmission device, it is characterized in that, described audio transmission device comprises a housing, there is in described housing a headset circuit plate and a feature board detachably installed, wherein, described headset circuit plate has a headset circuit, and described feature board has one can the first functional circuit of complete independently preset function, by the installation or removal of described feature board, realize selective gist or the Combination application of earphone function and preset function.
2. audio transmission device as claimed in claim 1, it is characterized in that, described headset circuit is electrically connected with described first functional circuit selectivity.
3. audio transmission device as claimed in claim 2, it is characterized in that, described headset circuit plate is provided with a headset interconnecting electrode group, described headset interconnecting electrode group and described headset circuit are electrically connected, described feature board is provided with a feature board interconnecting electrode group, when described feature board is installed in described housing, described headset interconnecting electrode group and feature board interconnecting electrode group are electrically connected.
4. audio transmission device as claimed in claim 3, it is characterized in that, described headset circuit comprises Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground wire, described headset interconnecting electrode group comprises the first headset interconnecting electrode, second headset interconnecting electrode, third ear wheat interconnecting electrode, 4th headset interconnecting electrode, 5th headset interconnecting electrode, 6th headset interconnecting electrode, connect described Mike's holding wire respectively successively, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground connecting line.
5. audio transmission device as claimed in claim 4, it is characterized in that, described feature board interconnecting electrode group comprises the first interconnecting electrode, second interconnecting electrode, 3rd interconnecting electrode, 4th interconnecting electrode, described feature board is installed in described housing, described first interconnecting electrode correspondence connects described first headset interconnecting electrode, described second interconnecting electrode correspondence connects described second headset interconnecting electrode and third ear wheat interconnecting electrode, described 3rd interconnecting electrode correspondence connects described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, described 4th interconnecting electrode correspondence connects the 6th headset interconnecting electrode.
6. audio transmission device as claimed in claim 4, it is characterized in that, described feature board interconnecting electrode group comprises the first interconnecting electrode, second interconnecting electrode, 3rd interconnecting electrode, 4th interconnecting electrode, 5th interconnecting electrode, 6th interconnecting electrode, described feature board is installed in described housing, described first interconnecting electrode, second interconnecting electrode, 3rd interconnecting electrode, 4th interconnecting electrode, 5th interconnecting electrode, 6th interconnecting electrode connects described first headset interconnecting electrode respectively, second headset interconnecting electrode, third ear wheat interconnecting electrode, 4th headset interconnecting electrode, 5th headset interconnecting electrode, 6th headset interconnecting electrode.
7. audio transmission device as claimed in claim 4, it is characterized in that, on described headset circuit plate, connected by the first push switch between described second headset interconnecting electrode and third ear wheat interconnecting electrode, when described first push switch is pressed, electric insulation between described second headset interconnecting electrode and third ear wheat interconnecting electrode, when described first push switch is upspring, between described second headset interconnecting electrode and third ear wheat interconnecting electrode, electricity is connected; Connected by the second push switch between described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, when described second push switch is pressed, electric insulation between described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, when described second push switch is upspring, between described 4th headset interconnecting electrode and the 5th headset interconnecting electrode, electricity is connected.
8. audio transmission device as claimed in claim 7, it is characterized in that, described feature board has the first corresponding with described first push switch and the second push switch respectively recess and the second recess, when described feature board is installed in described housing, described first push switch and the second push switch are positioned at described first recess and the second recess, and described first push switch and the second push switch are all in the state of upspringing.
9. audio transmission device as claimed in claim 3, it is characterized in that, described headset interconnecting electrode group and feature board interconnecting electrode group are weldering disc electrode; Or described headset interconnecting electrode group is weldering disc electrode, and described feature board interconnecting electrode group is wire electrode; Or described headset interconnecting electrode group is jack type electrode, described feature board interconnecting electrode group is contact pin type electrode; Or described headset interconnecting electrode group is contact pin type electrode, described feature board interconnecting electrode group is jack type electrode.
10. audio transmission device as claimed in claim 1, is characterized in that, described first functional circuit also has the control electrode controlling described first functional circuit for described headset circuit, and described control electrode and described first functional circuit are electrically connected.
11. audio transmission devices as claimed in claim 1, it is characterized in that, described first functional circuit has the first external interface electrode.
12. audio transmission devices as claimed in claim 11, it is characterized in that, described first functional circuit also has the second external interface electrode.
13., as the audio transmission device in claim 1-12 as described in any one, is characterized in that, described feature board also has one can the second functional circuit of complete independently preset function.
14. audio transmission devices as claimed in claim 1, it is characterized in that, described feature board has the sound inlet of a transmission sound wave.
15. audio transmission devices as claimed in claim 1, it is characterized in that, described feature board is T-shaped or rectangle, and described headset circuit plate is T-shaped or rectangle.
16. audio transmission devices as claimed in claim 1, it is characterized in that, described headset circuit plate connects audio jack line, left earplug line and right earplug line, the line outlet of the described audio jack line of the extraction that described feature board has, left earplug line and right earplug line.
17. audio transmission devices as claimed in claim 1, is characterized in that, described audio transmission device also has one and described feature board is sealed in enclosing cover in described housing.
18. 1 kinds for as the feature board in audio transmission device as described in any one in claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751209.7A CN104754434B (en) | 2013-12-30 | 2013-12-30 | Audio transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751209.7A CN104754434B (en) | 2013-12-30 | 2013-12-30 | Audio transmission device |
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| Publication Number | Publication Date |
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| CN104754434A true CN104754434A (en) | 2015-07-01 |
| CN104754434B CN104754434B (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310751209.7A Active CN104754434B (en) | 2013-12-30 | 2013-12-30 | Audio transmission device |
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| CN105635882A (en) * | 2016-02-23 | 2016-06-01 | 深圳市秦通科技有限公司 | Wireless earphone with detachable shell |
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| Publication number | Publication date |
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| CN104754434B (en) | 2019-12-24 |
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